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gotaashp
@gotaashp
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Joined: Jan 29, 2023
Last seen: Nov 19, 2023
Profile Activity
Topics: 1 / Replies: 78
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RE: Ecodan. How to run this efficiently with zero understanding.

@DaveW All looks to be working as advertised from what you note there. I'm going to trial:- Thermo Diff Adjust - Upper Limit = +3 (I don't want ...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

Thanks @DaveW My fixed 36c experiment resulted in a typical three cycle per hour as per the attached at mild ambient temps up to 10c. COP was report...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

The 4am chart looks to have two cycles in it, it looks 'smoother' as the scale has been changed due to DHW cycle later in the hour. It therefore looks...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

Thanks. I am though becoming more and more certain that it's a consequence of milder temps, it cannot modulate down enough so is in effect 'stalling'....

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

I'm not sure whether it's best to post here, or start another topic. It feels like I'm hijacking someone else's topic, but it's all relevant I guess.I...

2 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

I'm not clear either. This Mitsubishi video does mention auto adaptation (around 2:05) where he does state it uses the weather comp curve in the backg...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

I'm sorry if my original post come over that way. It was not my intention. I'm very happy with my installation and how it's performing, I joined here ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

Thanks. Design flow temp is 50c, most rooms target temp is 18c at -3. We are easily achieving the room targets at a much lower flow temp (highest was ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

Interesting, thanks. Pretty sure I don't have that problem, but you've reminded me that flow rates and delta t are a rabbit hole I want to go down.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

Ah sorry, I didn't realise you don't have an Ecodan. From my research, running code 016 relates to compressor frequency and there seems to be some gen...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

Firstly, thanks for the detailed response. Appreciated. I have read a fair number of older posts where you've described much of the above (in detail...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan. How to run this efficiently with zero understanding.

Ok thanks, done. I'll report back in a day or so.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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